Ball thrower



FIG. 1 is a front elevational view of a ball thrower showing our newdesign;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a cross-sectional view thereof taken along line 6--6 in FIG.1.

The ornamental design for a ball thrower, as shown.